E - Fixed Constructions – 21 – F
Patent
E - Fixed Constructions
21
F
E21F 1/14 (2006.01) E04B 1/343 (2006.01) E21D 9/14 (2006.01) E21F 17/103 (2006.01)
Patent
CA 2487523
A panel system for making mine ventilation structures. The panel system comprises a plurality of elongate metal panels having flanges along sides thereof configured for overlapping one another when the panels are placed in side-by- side relation. When the panels are secured together they form a unitary load-bearing structure. Related methods and equipment for installing the panels are also disclosed.
Kennedy John M.
Kennedy William R.
Kennedy John M.
Kennedy William R.
Smart & Biggar
LandOfFree
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